Reviewed-by: Mahesh Kumar <mahesh1.kumar@xxxxxxxxx>
On Monday 17 July 2017 04:43 PM, Maarten Lankhorst wrote:
ddb_allocation && ddb_allocation / blocks_per_line >= 1 is the same
as ddb_allocation >= blocks_per_line, so use the latter to simplify
this.
This fixes the following compiler warning:
drivers/gpu/drm/i915/intel_pm.c:4467]: (warning) Comparison of a
boolean expression with an integer other than 0 or 1.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Fixes: d555cb5827d6 ("drm/i915/skl+: use linetime latency if ddb size is not available")
Cc: "Mahesh Kumar" <mahesh1.kumar@xxxxxxxxx>
Reported-by: David Binderman <dcb314@xxxxxxxxxxx>
Cc: David Binderman <dcb314@xxxxxxxxxxx>
Cc: <drm-intel-fixes@xxxxxxxxxxxxxxxxxxxxx> # v4.13-rc1+
---
drivers/gpu/drm/i915/intel_pm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 78b9acfc64c0..b9b3d8d45016 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4681,8 +4681,8 @@ static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv,
if ((cpp * cstate->base.adjusted_mode.crtc_htotal / 512 < 1) &&
(plane_bytes_per_line / 512 < 1))
selected_result = method2;
- else if ((ddb_allocation && ddb_allocation /
- fixed_16_16_to_u32_round_up(plane_blocks_per_line)) >= 1)
+ else if (ddb_allocation >=
+ fixed_16_16_to_u32_round_up(plane_blocks_per_line))
selected_result = min_fixed_16_16(method1, method2);
else if (latency >= linetime_us)
selected_result = min_fixed_16_16(method1, method2);
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